CVE-2022-20945
7.4 · HIGHOverview
CVE-2022-20945 is a high-severity vulnerability affecting cisco catalyst_9800-l_firmware. It was published on September 30, 2022 and has a CVSS 3.1 base score of 7.4 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.4, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
Technical Description
A vulnerability in the 802.11 association frame validation of Cisco Catalyst 9100 Series Access Points (APs) could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to insufficient input validation of certain parameters within association request frames received by the AP. An attacker could exploit this vulnerability by sending a crafted 802.11 association request to a nearby device. An exploit could allow the attacker to unexpectedly reload the device, resulting in a DoS condition.
Remediation
Check the references section for vendor advisories and patches from cisco. Update catalyst_9800-l_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| cisco | catalyst_9800-l_firmware | >= 17.6, < 17.6.4 | Affected |
| cisco | catalyst_9800-40_firmware | >= 17.6, < 17.6.4 | Affected |
| cisco | catalyst_9800-80_firmware | >= 17.6, < 17.6.4 | Affected |
| cisco | catalyst_9800-cl_firmware | >= 17.6, < 17.6.4 | Affected |
Frequently Asked Questions
What is CVE-2022-20945?
CVE-2022-20945 is a high-severity vulnerability affecting cisco catalyst_9800-l_firmware. It was published on September 30, 2022 and has a CVSS 3.1 base score of 7.4 (HIGH).
How severe is CVE-2022-20945?
This vulnerability has a CVSS 3.1 base score of 7.4, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2022-20945?
Check the references section for vendor advisories and patches from cisco. Update catalyst_9800-l_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2022-20945?
CyberStrike's AI-powered security agents can automatically detect CVE-2022-20945 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
AI-driven PR review catches vulnerable dependencies before they ship.
Browser-based exploitation validates findings with real proof-of-concept.
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